55404179 has 2 divisors, whose sum is σ = 55404180. Its totient is φ = 55404178.

The previous prime is 55404137. The next prime is 55404197. The reversal of 55404179 is 97140455.

Together with next prime (55404197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55404179 - 2¹² = 55400083 is a prime.

It is not a weakly prime, because it can be changed into another prime (55404119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27702089 + 27702090.

It is an arithmetic number, because the mean of its divisors is an integer number (27702090).

Almost surely, 2^55404179 is an apocalyptic number.

55404179 is a deficient number, since it is larger than the sum of its proper divisors (1).

55404179 is an equidigital number, since it uses as much as digits as its factorization.

55404179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 55404179 is about 7443.3983502161. The cubic root of 55404179 is about 381.2245331372.

The spelling of 55404179 in words is "fifty-five million, four hundred four thousand, one hundred seventy-nine".